def reset(self):
is_2d_array(self.original_position)
self.transform.position = self.original_position
self.transform._prev_position = self.original_position
self.velocity = None if self.velocity is None else np.array([0, 0])
self._prev_velocity = self.velocity
self.force = None if self.force is None else np.array([0, 0])
self.shape.update()
def is_point_in_shape(self, point: np.ndarray) -> bool:
is_2d_array(point)
number_of_edges = self.points.shape[0]
a = self.points[0]
for i in range(number_of_edges - 2):
b = self.points[i + 1]
c = self.points[i + 2]
if self._point_in_triangle(point, a, b, c):
return True
return False
def __init__(self,
shape: Shape,
material: Material,
mass: int,
velocity: np.ndarray = None,
force: np.ndarray = None,
name="None"):
super().__init__()
assert isinstance(shape, Shape)
self.shape = shape
self.transform: Transform = self.shape.transform
assert isinstance(material, Material)
self.material = material
assert type(mass) is int
self.mass = mass
self.velocity = is_2d_array(velocity, True)
self._prev_velocity = self.velocity
self.force = is_2d_array(force, True)
assert type(name) is str
self.name = name
def is_point_in_shape(self, point: np.ndarray) -> bool:
is_2d_array(point)
vector = point - self.transform.position
return 0 <= vector[0] <= self.width and 0 <= vector[1] <= self.height
def __init__(self, position: np.ndarray, rotation: float = 0.0):
self.position = is_2d_array(position)
self._prev_position = self.position
assert type(rotation) is float
assert -math.pi <= rotation <= math.pi
self.rotation = rotation
def update(self, position):
is_2d_array(position)
self._prev_position = self.position
self.position = position
def is_point_in_shape(self, point: np.ndarray) -> bool:
is_2d_array(point)
dist = np.linalg.norm(point - self.transform.position)
return dist <= self.r